Chicago/Princeton, November 7, 2007

RTS and OES MarketGroup in Global Alliance, Integrating
OES Smart Order Routing with Trading Applications

OES MarketGroup said today that it has continued the global expansion of its customer base with the addition of RTS Realtime Systems Group (RTS), a German-based leading independent software vendor (ISV).

Under the terms of the agreement, RTS will integrate OES's smart order routing technology into its trading applications,enabling equity traders to ensure that orders are routed to the exchange with the best price.

The new alliance brings equity smart order routing and Direct Market Access (DMA) to RTS's customers through multiple execution venues, including NASDAQ, BATS and the National Stock Exchange. RTS joins the growing worldwide network of securities industry leaders served by OES, including market centers NYSE Arca, the Philadelphia Stock Exchange (PHLX), the ISE Stock Exchange, and top broker-dealers. OES's customers will also gain access to multiple DMA execution venues worldwide facilitated by RTS.

"This opportunity adds another level of functionality and an extensive range of additional venues to RTS's already large selection," said Steffen Gemuenden, co-CEO of RTS Realtime Systems Group. "We believe the alliance will bring more business to RTS as the ability to trade multiple asset classes seamlessly continues to gain in importance."

"OES is excited about this new relationship with RTS, and the expansion of our customer base across national boundaries and oceans," said Michael Barth, executive vice president of Strategic Initiatives for OES. "We look forward to working with RTS to add access to international markets and satisfying MiFID requirements through this link to RTS's solutions."

RTS will present the services from OES at TradeTech Derivatives 2007, the third annual derivatives trading and technology event, November 7-9, at the Olympia Conference Centre in London.

OES MarketGroup

OES MarketGroup, through its wholly owned technology and broker-dealer subsidiaries, provides seamless electronic market connectivity, liquidity access and rapid executions by linking broker-dealers, trading systems, exchanges and market centers. As an innovative securities industry leader, OES specializes in smart-order routing, Reg NMS compliance tools, sponsored market access, agency execution and private inter-market linkages. Closely-held, OES is headquartered in Princeton, with offices in Chicago, Los Angeles, Newark and New York City. This press release contains forward-looking statements within the meaning of section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934. With the exception of historical information contained herein, the matters discussed in this press release involve risk and uncertainties. Actual results could differ materially from those expressed in any forward-looking statement.

For more information please visit www.tradeoes.com